1862 – U.S. Congress prohibits slavery in United States territories, nullifying the Dred Scott Case.

1865 – Over two years after the Emancipation Proclamation, slaves in Galveston, Texas, United States, are finally informed of their freedom. The anniversary is still officially celebrated in Texas and 13 other contiguous states as Juneteenth.

1867 – Maximilian I of the Mexican Empire is executed by a firing squad in Querétaro, Querétaro.

1870 – After all of the Southern States are formally readmitted to the United States of America, the Confederate States of America ceases to exist.

1910 – The first Father’s Day is celebrated in Spokane, Washington.

1914 – A radiotelegraphic link is established between Germany and the United States and German Emperor Wilhelm II and US President Woodrow Wilson exchange telegrams to mark the event.